.loading {
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0px;
    background: rgba(0,0,0,0.8);
    color: #fff;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}